$OpenBSD: patch-printing_backend_print_backend_cups_h,v 1.2 2017/04/19 05:16:47 robert Exp $

Fix build with cups>=2.2.0

--- printing/backend/print_backend_cups.h.orig.port	Mon Sep 19 09:35:11 2016
+++ printing/backend/print_backend_cups.h	Mon Sep 19 09:35:19 2016
@@ -5,6 +5,8 @@
 #ifndef PRINTING_BACKEND_PRINT_BACKEND_CUPS_H_
 #define PRINTING_BACKEND_PRINT_BACKEND_CUPS_H_
 
+#include <cups/ppd.h>
+
 #include <string>
 
 #include "base/files/file_util.h"
